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Senior Medical Leadership Team

Dr. Édouard Hendriks

Vice President Medical, Academic and Research Affairs
Dr. Édouard Hendriks was previously President and CEO of Regional Health Authority 4 in Edmundston, and held the position of Vice President of Medical Affairs with the health authority from 1997 to 2008. Prior to joining Regional Health Authority 4, Dr. Hendriks held various clinical and senior administrative positions with the Canadian Armed Forces and health institutions in Québec, Ontario and New Brunswick. Dr. Hendriks has his Masters of Health Administration from the University of Ottawa and obtained his medical degree from the Université Laval in Québec. He has a certificate in Family Medicine and a special certificate in Emergency Medicine, both from the College of Family Physicians of Canada, as well as being a Fellow of the College. Dr. Hendriks was a surveyor for Accreditation Canada for over twenty years, and he sat on numerous national and provincial committees, including the Board of Directors of the Canadian Patient Safety Institute and the Board of Directors of the Canadian Agency for Drugs and Technologies in Health.

Dr. John Dornan

Regional Chief of Staff
A Memorial University graduate, Dr. John Dornan has been practicing medicine since 1987 when he joined Horizon’s Saint John Regional Hospital (SJRH) as a Staff Endocrinologist. He served as Chief for the Department of Internal Medicine at SJRH from 2005 to 2011, and as Chief of Staff for the Saint John area from 2011 to 2017; during this time he was as an active member on the Horizon Regional Medical Advisory Committee. He also served a brief mandate as Interim Chief of Emergency Medicine in Saint John and Chief of Staff and Interim Medical Director for the Upper River Valley area. Dr. Dornan continues to practice as an endocrinologist. He is an Assistant Professor with Dalhousie University and with Memorial University. A lifelong runner and learner, Dr. Dornan recently completed his MBA at the University of New Brunswick. In his spare time, Dr. Dornan is an apiarist, and he and his family enjoy life and adventures together.

Dr. Patricia Bryden

Chief of Staff, Fredericton area
Dr. Patricia Bryden has been the Chief of Staff for Fredericton and the surrounding area since July 2014. Originally from Fredericton, Dr. Bryden graduated from the University of New Brunswick (UNB) with a Bachelor of Science and received her Doctorate in Medicine at the University of Ottawa in 1986 before completing a rotating internship at Dalhousie University in 1987 and general surgery residency at the University of Toronto in 1991. Dr. Bryden is a medical staff member in the Department of General Surgery and the Adult Critical Care Unit at Horizon’s Dr. Everett Chalmers Regional Hospital and Horizon’s Oromocto Public Hospital. Dr. Bryden is also known for her work as a clinical leader with Horizon’s Breast Health Network and is an Assistant Professor in the Department of General Surgery at Dalhousie and Memorial University. In 2017, Dr. Bryden obtained a Masters in Adult Education for Health Care Providers from UNB.

Dr. Tom Peters

Medical Director, Fredericton area
Dr. Thomas Peters has been the Medical Director for Fredericton and the surrounding area since 2010. A thoracic surgeon and Fellow of the Royal College of Surgeons of Canada and America College of Chest Physicians, Dr. Peters received his medical degree and general surgery residency training from Dalhousie University in 1972 and 1981, respectively, during which he worked in family medicine in Halifax and Peru. He completed his two-year specialty training in thoracic surgery at Dalhousie University and Exeter University (UK) in 1983 before working as a general and thoracic surgeon in Fredericton from 1983 to 2012. Dr. Peters has held numerous administrative leadership positions, including Chief of General Surgery and Clinical Head of Surgical Program. The former head of the Medical Education Committee, he is an Assistant Professor of Surgery at Dalhousie University.

Dr. Stewart MacMillan

Chief of Staff, Miramichi area
Dr. Stewart MacMillan has served as Chief of Staff for Miramichi and the surrounding area since May 2019. Born and raised in Miramichi, he received his Bachelor of Science degree from Mount Allison University and his medical degree from Dalhousie University. Following a year of family practice in Miramichi, Dr. MacMillan returned to Halifax to complete residency training in Radiology and a subsequent fellowship in MRI and Echocardiology. He has been a full-time radiologist in Miramichi since 1998, serving numerous leadership roles locally and with other Horizon hospitals, as well as being actively involved with multiple quality improvement, credentialing, and utilization committees within Horizon, the New Brunswick Medical Society, and Dalhousie University. In addition to a busy clinical practice, Dr. MacMillan is an Assistant Professor of Diagnostic Imaging with Dalhousie University and past Chair of the Joint Chiefs of Diagnostic Imaging for Horizon.

Dr. Camille Haddad

Medical Director, Miramichi area
Dr. Camille Haddad has been Medical Director for the Miramichi and the surrounding area since February 2019. As medical director, Dr. Haddad is responsible for general and day-to-day medical administration, identifying physician recruitment needs and participating in recruitment activities, and overseeing medical services for the Miramichi area. A graduate from Dalhousie Medical School in 1990, Dr. Haddad began working in the Miramichi in 1992 as a family physician and is currently a general practitioner oncologist at Horizon’s Miramichi Regional Hospital. He is also the physician lead (Chief of Staff) for Corrections Services for the Atlantic Provinces and has been the physician at the Atlantic Institution since 1992. Dr. Haddad has held leadership positions such as Chief of Family Medicine 2010 to 2014, and President of the New Brunswick Medical Society from 2014 to 2015 and is currently on the Miramichi Hospital Foundation Board of Directors.

Dr. Ken Gillespie

Chief of Staff, Moncton area
Dr. Ken Gillespie has been the Chief of Staff for Moncton and the surrounding area since September 2018. Born and raised in Nova Scotia, Dr. Gillespie attended medical school and residency at Dalhousie University in Halifax. Upon completing his residency, he came to Horizon’s The Moncton Hospital (TMH) to open an obstetrics and gynecology practice in 1999. As a member of the medical staff at TMH, Dr. Gillespie has served as Clinical Department Head for Obstetrics and Gynaecology and Medical Director for the Women and Children's Health program. He is actively involved in the planning of the new Women and Children's building at TMH. This new building will be a significant addition to Horizon resources to help the organization better serve both the Moncton community and families from around the province.

Dr. Jody Enright

Medical Director, Moncton area
Dr. Jody Enright has served as Medical Director for Moncton and the surrounding area since January 2018. Dr. Enright has been a family physician in the Department of Family Medicine at Horizon's The Moncton Hospital since 2009 and is a strong advocate for patients and their families, and understands the challenges faced by our patients, clinicians, and health care professionals. Her role as Medical Director focuses on physician recruitment and improving quality care. Born in Moncton, Dr. Enright received all of her university training in Atlantic Canada and has also served as an Assistant Professor with her alma mater, Dalhousie University Faculty of Medicine, since 2011. Before entering the field of medicine, Dr. Enright worked in both the human resources and public relations sectors.

Dr. Margot Burnell

Chief of Staff, Saint John area
Dr. Margot Burnell has served as Chief of Staff for the Saint John area since September 2017 and brings over thirty years of experience as an oncologist in Saint John to her role. Before becoming Chief of Staff, Dr. Burnell was the Clinical Academic Department Head of Oncology at Horizon’s Saint John Regional Hospital (SJRH) for over a decade. Born and raised in Windsor, Ont., Dr. Burnell attended medical school at the University of Western Ontario and undertook her residency in Internal Medicine and Medical Oncology at the University of Toronto. She then spent a fellowship year at the Royal Marsden Hospital, London, U.K. Since that time, she has been working in Saint John, dedicating her professional career to the care of cancer patients, families, and their care providers. As an active member of the SJRH, she has sat on many hospitals, provincial and national committees, including the Local Medical Advisory Committee, the Medication Management Committee, and the Provincial Drugs and Therapeutics Committee and has been an active member of the Regional Medical Advisory Committee since 2013.

Dr. David Marr

Medical Director, Saint John area
Dr. David Marr has served as the Medical Director of the Saint John area for over a decade. A graduate of the University of New Brunswick, he completed his medical degree and residency training at Dalhousie University, specializing in internal medicine and cardiology, before joining the Horizon’s Saint John Regional Hospital in 1980. A Fellow of the Royal College of Physicians and Surgeons of Canada in Internal Medicine and Cardiology and the American College of Cardiology, Dr. Marr was instrumental in establishing the New Brunswick Heart Centre in 1991. Dr. Marr has held many leadership roles, including Chief of Internal Medicine, President of the Saint John Medical Society and the New Brunswick Medical Society, and has served on the Board of Directors of the Canadian Medical Association. In addition to his work as a staff cardiologist, he is also an Associate Professor of Medicine at both Dalhousie University and Memorial University.

Dr. Michael Perley

Chief of Staff, Upper River Valley area
Dr. Michael Perley has been Chief of Staff for Upper River Valley and the surrounding area since March 2020. Dr. Perley received his medical degree from Dalhousie University in 1980 and is a distinguished Fellow of the College of Family Physicians of Canada. He is a Family Medicine physician for the Woodstock and Tobique communities and participates in the obstetrical program at Horizon’s Upper River Valley Hospital. A current member of the Pharmacy Drugs and Therapeutics Committee for Health Canada, Dr. Perley is also a medical advisor for the Woodstock and Tobique First Nations, and a former president of the College of Physicians and Surgeons of New Brunswick. A dedicated educator, Dr. Perley has been involved in teaching medical students and residents for Dalhousie and Memorial Universities since 1985, and is an examiner for the College of Family Physicians. He received the Order of New Brunswick in 2017, as well as Dalhousie University’s 2012 Family Physician of the Year Award.

Medical Director, Upper River Valley area

This position is currently vacant.
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